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Samsung Dryer starts then stops

If your Samsung dryer starts then stops — it powers up and the drum runs briefly then stops or the cycle stops after a few seconds — the most likely culprits are electrical or control components rather than the drum or motor itself. Start by checking the user control and display board, especially if the start or cancel button works intermittently, then look at the timer, which can fail and halt cycles. Next inspect the control board and main control board for signs of burning or shorts, and test the motor relay if the door switch and touchpad seem fine. A faulty moisture sensor can also tell the machine it is dry and stop the cycle, but that is less common. You can test switches and relays with a multimeter and follow wiring diagrams if you’re comfortable, or replace the display or control parts if they’re flaky. Enter your model number on RepairClinic.com to find the exact replacement part for your dryer and step-by-step repair guides to get it running normally again.

01 - Samsung Dryer Moisture Sensor

The moisture sensor monitors the clothing’s moisture level and sends a signal to the control board when the clothes are dry. If the moisture sensor is malfunctioning, it could inaccurately report that the clothing have sufficient dried, causing the drum to stop spinning. However, this is rarely the case. Before replacing the moisture sensor check all the more commonly defective parts. If you have determined that all of the other components are working properly, replace the moisture sensor.
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02 - Samsung Dryer Motor Relay

If both the door switch and dryer touchpad are working appropriately, it's possible the motor relay is defective. However, this is not that common of a problem. Before replacing the motor relay, check all the more commonly defective parts. If you determine that all of the other components are working properly, you can test the motor relay by using a multimeter and consulting the wiring diagram to help determine if it is malfunctioning.
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03 - Samsung Dryer Control Board

If both the door switch and dryer touchpad are working appropriately, it's possible the control board is defective. However, this is not that common of a problem. Before replacing the board, check all of the more commonly defective parts. If you have determined that all of the other components are working properly, replace the control board. (The control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component.)
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04 - Samsung Dryer Main Control Board

If both the door switch and dryer touchpad are working appropriately, it's possible the main control board is defective. However, this is not that common of a problem. Before replacing the board, check all of the more commonly defective parts. If you have determined that all of the other components are working properly, replace the main control board. (The control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component.)
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05 - Samsung Dryer User Control and Display Board

If the dryer's start/cancel button is only working intermittently, it's likely the user control and display board is malfunctioning and causing the dryer to stop running. A new board will need to be installed to resolve the problem.
Highly Likely

06 - Samsung Dryer Timer

If both the door switch and dryer touchpad are working appropriately, it's possible the timer is defective. However, this is not that common of a problem. Before replacing the timer, check all the more commonly defective parts. If you determine that all of the other components are working properly, test the timer by using a multimeter and consulting the wiring diagram. If the timer is defective, replace it.
Highly Likely

Frequently Asked Questions

My Samsung dryer starts then stops after a few seconds — what's causing it?
Can a faulty moisture sensor make my dryer start then stop?
Could the user control or main control board cause the dryer to stop mid-cycle?
How do I test the motor relay or timer when my dryer starts then stops?
How do I enter my model number or part number on RepairClinic.com to find the correct replacement part?

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